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Math Problems
Grade 8
Area and perimeter: word problems
A square newspaper ad has an area of
64
square centimeters
64\,\text{square centimeters}
64
square centimeters
. How long is each side of the newspaper ad?
\newline
_
_
_
_
_
\_\_\_\_\_
_____
centimeters
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A square bedroom has an area of
81
square feet
81\,\text{square feet}
81
square feet
. How long is each side of the bedroom?
\newline
_
_
_
_
\_\_\_\_
____
feet
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A square playpen has sides that are
2
2
2
feet long. What is the playpen's perimeter?
\newline
_
_
_
_
\_\_\_\_
____
feet
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It cost Bentley
$
8.10
\$ 8.10
$8.10
to send
162
162
162
text messages. How much does each text cost to send?
\newline
Answer:
$
□
\$ \square
$
□
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A trapezoid has an area of
204
204
204
square millimeters. One base is
19
19
19
millimeters long. The other base is
6
6
6
.
5
5
5
millimeters long. What is the height?
\newline
1
1
1
) millimeters
\newline
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A square with an area of
134
134
134
units
2
^{2}
2
is dilated by a scale factor of
2
2
2
. Find the area of the square after dilation. Round your answer to the nearest tenth, if necessary.
\newline
Answer:
u
2
2
u^{2}{ }^{2}
u
2
2
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